CN101402518B - Patching material for building gap and construction process thereof - Google Patents
Patching material for building gap and construction process thereof Download PDFInfo
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- CN101402518B CN101402518B CN2008101551114A CN200810155111A CN101402518B CN 101402518 B CN101402518 B CN 101402518B CN 2008101551114 A CN2008101551114 A CN 2008101551114A CN 200810155111 A CN200810155111 A CN 200810155111A CN 101402518 B CN101402518 B CN 101402518B
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00008—Obtaining or using nanotechnology related materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00568—Multiple coating with same or similar material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2046—Shock-absorbing materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/26—Corrosion of reinforcement resistance
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a patching material for processing building cracks, which is prepared from powders of group A, liquid materials of group B through mixing, wherein the weight proportion of the powders of the group A to the liquid materials of the group B is between 0.8 and 2 to 1. The content range of each composition of the powders of the group A is as follows: 30 to 80 percent of 425 Portland cement, 10 to 50 percent of quartz powders, 5 to 30 percent of nano-size calcium carbonate, 1 to 5 percent of polypropylene short fiber, 1 to 10 percent of wood fiber, 1 to 10 percent of methyl cellulose, and 1 to 10 percent of calcium formate; and the content range of each composition of the liquid materials of the group B is as follows: 10 to 80 percent of pure acrylic resin copolymer emulsion, 0.1 to 1 percent of defoamer, 1 to 11 percent of bactericidal preservative, 1 to 12 percent of alkaline swelling thickener, 0.5 to 12 percent of pH modifier, 5 to 20 percent of talc powders, and10 to 40 percent of water. The construction process of the patching material is performed according to the following steps: base course processing, patching material scraping, and surface layer brushing. A product of the patching material has the advantages of strong cohesive force, high mechanical strength, impact resistance, shock resistance, insolation resistance, water immersion resistance, chemical corrosion resistance, no pollution, excellent physical and chemical properties of the product, strong stress resistance, and certain waterproof effect.
Description
Technical field
The present invention relates to a kind of patching material and construction technology; Especially relate to a kind of patching material and construction technology of handling building tear, can be widely used in the processing of building cracks such as cracking of wall surface, roofing crack, temperature difference seam, building settlement seam, plasterboard seam, heat-insulation system crack.
Background technology
Concrete is the engineering materials that is widely used in buildings, is by the consolidating material slurry that cement, Additive, admixture and water are prepared dispersive sand, stone to be bonded together through stirring.The concrete of scleroma is a kind of cement-base composite material of polynary, heterogeneous, nonuniformity; Has higher modulus of elasticity; Lower tensile strength; As long as a little takes place shrinks, the tensile stress of generation tends to the tensile strength greater than this age concrete under the condition of being tied, and causes concrete that the crack takes place.Concrete is behind casting, and aggregate produces constraint to slurry, makes inside concrete produce microfracture from the beginning, and under factor effects such as envrionment temperature, humidity, load, these microfractures just possibly develop into macroscopic fracture.
Because fissured existence and development can make inner material production such as reinforcing bar corrosion usually, reduce supporting capacity, weather resistance and the impervious ability of Reinforced Concrete Materials, influence outward appearance, the work-ing life of buildings, severe patient will threaten people's life security.The reason that distress in concrete produces is a lot, the crack that has distortion to cause: the crack that causes like reasons such as temperature variation, contraction, expansion, uneven settlements; The crack that has the outer effect of carrying to cause; Crack that the maintenance environment is improper and chemical action causes or the like is arranged.That will adopt repairs the normal functions of use that remedial measures keeps structure.
The skin patching method is a kind of simple, common method for repairing and mending, and it mainly is applicable to stable and structural-load-carrying capacity is not had the surface crack of influence and advances fissured processing deeply.Common treatment measures are to smear grout, epoxy mortar on fissured surface or at impregnating material such as concrete surface brushing paint, pitches; In protection in order to prevent that concrete receives the influence of various effects to continue cracking, can be employed in measures such as fissured surperficial sticking glass fabric usually.
Concrete repair must be considered many factors of influence design and selection repairing measure in order to reach the weather resistance purpose.Selecting patching material is one of many relevant measures, and no matter how careful patch work is, and the incorrect use of patching material all possibly cause the patch work premature failure.
Compare with the cast-in-place concrete structure thing, the constraint of patching material is shunk, and the restraint force that promptly produces through the consolidating material on the first pouring concrete basal plane is the principal element that increases most of patch work complicacy greatly.When the repairing section of relative thin because when patching material drying shrinkage, own vol distortion and temperature variation, patching material has also produced the contraction tensile stress.When these stress surpassed the UTS of patching material, the crack had taken place again.
Summary of the invention
The object of the invention is exactly to the above-mentioned shortcoming that exists in the prior art; And provide a kind of cohesive force strong; Physical strength is big; Shock-resistant, anti-magaseism, anti-ly be exposed to the sun, water-fastly soak, resistance to chemical attack, nonstaining property, the product physicochemical property is excellent, and has the patching material of the processing building tear of certain waterproof effect.
Another object of the present invention provides the construction technology of the patching material of above-mentioned processing building tear.
For realizing the present invention's purpose, a kind of patching material of handling building tear of the present invention is realized through following technical scheme.
A kind of patching material of handling building tear of the present invention is to be prepared from through batching in A group powder, B group liquid material, and the weight proportion of A group powder, B group liquid material is 0.8～2:1, wherein:
Each component concentration scope of A group powder is (weight is by 100%):
No. 425 silicate cements 30%～80%
Silica powder 10%～50%
Nanometer grade calcium carbonate 5%～30%
Polypropene staple 1%～5%
Wood fibre 1%～10%
Methylcellulose gum 1%～10%
Calcium formiate 1%～10%
Each component concentration scope of B group liquid material is (weight is by 100%):
Modification pure acrylic acid resin copolymer emulsion 10%～80%
Skimmer 0.1%～1%
Fungicidal preservative 1%～11%
Alkali swelling thickening material 1%～12%
PH regulator 0.5%～12%
Talcum powder 5%～20%
Water 10%～40%
The PH regulator is liquid, and making the pH value of B group liquid material after the adding is 8～9.
The weight proportion of described A group powder, B group liquid material is that 0.9～1.2:1 is advisable, and the optimum weight proportioning is: 1～1.2:1.
The granularity of said silica powder is 0.1～0.2mm.
Used skimmer is a silicone antifoam agent.
The present invention is a kind of to be handled in the actual production of patching material of building tear, with A organize powder, B group liquid material respectively tinning sell, when construction, use according to certain weight proportion batching.
A kind of construction technology of handling the patching material of building tear of the present invention is carried out according to following steps:
(1) base treatment: the crack that will repair earlier, with scraper extension process is carried out in the crack after, the slit after will handling with hair brush belt water is again cleaned out and the slit is moistening.
(2) scrape patching material: patching material A, B group is stirred by 0.8～2:1 proportioning, material is blown in the slit to filling up, after (time is 3-4 hour) to be dried, can criticizes and scrape two times with scraper.
(3) brush the top layer: after patching material A, B group are stirred by 0.8～2:1 proportioning; Brushing slit surfaces face 2-3 time; The brushing thickness of skin patching material is 1.5～2mm, and width is 8-15cm, and is every all over 2-3 hour at interval; With scraper patching material is wipeed off at last, can be carried out next step top coating operation.
It is base-material that the patching material that the present invention is a kind of to handle building tear adopts extremely strong cement based modified cement resin and the inorganic materials of weathering resistance, at normal temperatures and pressures through special process processing and the novel anti-crack product that forms through polyreaction.This product is a water-soluble products, and is nontoxic, tasteless.Thoroughly avoided, and construction is more easy to health effects.Only need the floating ash of cleaning fundamental plane just can directly be coated with and scrape this product, form rubber shape elasticity aspect, play best effect of prestressed.
A kind of patching material of handling building tear of the present invention is a two-pack, and the preparation back is the thick base-material of pearl opal.This product cohesive force is strong, and physical strength is big, shock-resistant, anti-magaseism, anti-ly be exposed to the sun, water-fastly soak, resistance to chemical attack, nonstaining property.The product physicochemical property is excellent, has added polypropene staple, strong stress resistance, and have certain waterproof effect, have following characteristics:
(1), solidifies the integral body that the back forms does not have seam through construction.
(2) this product construction is very convenient, and draw-off property is good during construction, the operative technique requirement is low, and excellent elastic performance is located batch crack of scraping patching material can be because of the flexible crack that occurs of slit normality.
(3) can be widely used in the processing of building cracks such as cracking of wall surface, roofing crack, temperature difference seam, building settlement seam, plasterboard seam, heat-insulation system crack.
(4) fill out diveder system product, calcium silicate board, metallic surface pit and place, slit, the junction between various sheet materials and the body of wall etc.
(5) specific function: patching material of the present invention surface remains the state of after-tacking, and after the top coating brushing, top coating and its perfect gentle closing make the inside and outside, crack the elasticity aspect all occur, thereby prevented fissured generation.
Embodiment
For further describing the present invention, a kind of patching material of handling building tear of the present invention is done further to describe below in conjunction with embodiment.
Embodiment 1:
The weight proportion of A group powder, B group liquid material is 2:1, and the PH regulator is the T-80 amine neutralizing agent of buying on the market, and its staple is a dimethylethanolamine.Other batching is all the product of purchasing from market.
Embodiment 2
The weight proportion of A group powder, B group liquid material is 1.2:1, and the PH regulator is the T-80 amine neutralizing agent of buying on the market, and its staple is a dimethylethanolamine.Other batching is all the product of purchasing from market.
Embodiment 3
The weight proportion of A group powder, B group liquid material is 1:1, and the PH regulator is the CP-802 that buys on the market, and CP-802 is the organic alcohol amine compounds, has weakly alkaline, and volatility is low, have better PH stability than ammoniacal liquor, and smell is low.Other batching is all the product of purchasing from market.
Embodiment 4
The weight proportion of A group powder, B group liquid material is 0.9:1, and the PH regulator is the CP-802 that buys on the market, and CP-802 is the organic alcohol amine compounds, has weakly alkaline, and volatility is low, have better PH stability than ammoniacal liquor, and smell is low.Other batching is all the product of purchasing from market.
Embodiment 5
The weight proportion of A group powder, B group liquid material is 0.8:1, and the PH regulator is the CP-802 that buys on the market, and CP-802 is the organic alcohol amine compounds.Other batching is all the product of purchasing from market.
Above-mentioned PH regulator also can be ammoniacal liquor.
Used fungicidal preservative is the coating fungicidal preservative, is a kind of wide spectrum, efficient, lasting, low toxicity antiseptic-germicide.Main active ingredient is: 2-methyl-4-isothiazoline-3-ketone and 5-chloro-2-methyl-4-isothiazoline-3-ketone.Certainly, also can use the coating sterilant of other kind, like the C15 fungicidal preservative of purchasing on the market.
That describes in construction technology of the present invention and the technique scheme is identical.
A kind of patching material of handling building tear of the present invention, it detects performance (weight proportion of A group powder, B group liquid material is 1:1) as follows:
Solid content (%) >=80
Surface drying time (h) is not more than 2
Do solid work the time (h) and be not more than 6
Bending property (inferior) >=400
Extensibility (%) >=350
Tensile strength (N/mm
2)>=0.9
Cohesive strength (N/mm
2)>=1.2
Claims (4)
1. patching material of handling building tear is characterized in that: it is to be prepared from through batching in A group powder, B group liquid material, and the weight proportion of A group powder, B group liquid material is 0.8～2: 1, wherein:
Each component concentration scope of A group powder is:
Above-mentioned each weight percentages of components sum of A group powder is 100%, and the granularity of said silica powder is 0.1～0.2mm;
Each component concentration scope of B group liquid material is:
Above-mentioned each weight percentages of components sum of B group powder is 100%, and described skimmer is a silicone antifoam agent, and said PH regulator is liquid, and making the pH value of B group liquid material after the adding is 8～9.
2. a kind of patching material of handling building tear as claimed in claim 1 is characterized in that: the weight proportion of described A group powder, B group liquid material is 0.9～1.2: 1.
3. a kind of patching material of handling building tear as claimed in claim 2 is characterized in that: the weight proportion of described A group powder, B group liquid material is 1～1.2: 1.
4. a kind of construction technology of handling the patching material of building tear as claimed in claim 1 is characterized in that it carries out according to following steps:
(1) base treatment: the crack that will repair earlier, with scraper extension process is carried out in the crack after, the slit after will handling with hair brush belt water is again cleaned out and the slit is moistening;
(2) scrape patching material: patching material A, B are organized by 0.8～2: 1 proportioning stirs, and with scraper material is blown in the slit to filling up, to be dried after, can criticize and scrape two times;
(3) brushing top layer: patching material A, B are organized by 0.8～2: after 1 proportioning stirs; Brushing slit surfaces face 2-3 time; The brushing thickness of skin patching material is 1.5～2mm, and width is 8-15cm, and is every all over 2-3 hour at interval; With scraper patching material is wipeed off at last, can be carried out next step top coating operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101551114A CN101402518B (en) | 2008-10-23 | 2008-10-23 | Patching material for building gap and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101551114A CN101402518B (en) | 2008-10-23 | 2008-10-23 | Patching material for building gap and construction process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101402518A CN101402518A (en) | 2009-04-08 |
| CN101402518B true CN101402518B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101551114A Expired - Fee Related CN101402518B (en) | 2008-10-23 | 2008-10-23 | Patching material for building gap and construction process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756289A (en) * | 2018-06-15 | 2018-11-06 | 中国二十二冶集团有限公司 | The method for repairing and mending in wall surface putty crack and its special repairing paste |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140281B (en) * | 2011-02-21 | 2013-05-01 | 万峰石材科技有限公司 | Coating for protecting back face of stone |
| CN102493494B (en) * | 2011-12-12 | 2013-09-04 | 山东建筑大学 | Method for sealing vertical cracks of basement concrete structures by using microbial grouting |
| JP5910156B2 (en) * | 2012-02-22 | 2016-04-27 | 宇部興産株式会社 | Acid-resistant hydraulic composition, mortar composition, and cured mortar |
| US9850407B2 (en) * | 2015-09-08 | 2017-12-26 | United States Gypsum Company | Enhanced adhesive composition for re-enforcing joints in gypsum panel construction |
| CN106915942A (en) * | 2015-12-25 | 2017-07-04 | 上海会斌材料科技有限公司 | A kind of rapid-hardening gypsum base waterproof rubber cement |
| CN107555918B (en) * | 2017-08-21 | 2020-06-26 | 北京大津硅藻新材料股份有限公司 | Polymer cement mortar and preparation method and construction method thereof |
| CN107628788B (en) * | 2017-09-22 | 2021-06-01 | 北京东方雨虹防水技术股份有限公司 | Cement-based waterproof material for repairing concrete cracks and preparation method thereof |
| CN109024720B (en) * | 2018-07-20 | 2020-11-10 | 宁波市风景园林设计研究院有限公司 | Method for repairing ancient building platform foundation |
| CN114961145A (en) * | 2021-01-11 | 2022-08-30 | 上海伟星新材料科技有限公司 | Wall surface self-repairing method based on self-repairing polymer cement waterproof coating |
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| CN1472259A (en) * | 2003-05-08 | 2004-02-04 | 同济大学 | Polymer cement based composite waterproof coating material for construction and its preparation |
| CN1632035A (en) * | 2003-12-25 | 2005-06-29 | 王正深 | Powder permeable waterproof materials |
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| CN101041751A (en) * | 2006-11-02 | 2007-09-26 | 董善刚 | Highly dynamic cracking resistant type elastic putty |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472259A (en) * | 2003-05-08 | 2004-02-04 | 同济大学 | Polymer cement based composite waterproof coating material for construction and its preparation |
| CN1632035A (en) * | 2003-12-25 | 2005-06-29 | 王正深 | Powder permeable waterproof materials |
| CN1978555A (en) * | 2005-12-09 | 2007-06-13 | 杨生凤 | Exposed wall elastic anti-crack putty |
| CN101041751A (en) * | 2006-11-02 | 2007-09-26 | 董善刚 | Highly dynamic cracking resistant type elastic putty |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756289A (en) * | 2018-06-15 | 2018-11-06 | 中国二十二冶集团有限公司 | The method for repairing and mending in wall surface putty crack and its special repairing paste |
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| CN101402518A (en) | 2009-04-08 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 243100 Anhui city of Ma'anshan province Dangtu County Gu Shu Zhen Dongying Patentee after: Anhui Tianjinyun Paint Industry Co., Ltd. Address before: 243100 Anhui city of Ma'anshan province Dangtu County Gu Shu Zhen Dongying Patentee before: Maanshan Tianjinyun Paint Industry Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 243000 Taibai Town Street, Dangtu County, Ma'anshan City, Anhui Province Patentee after: Anhui Tianjinyun Energy Saving and Waterproof Technology Co., Ltd. Address before: 243100 Anhui city of Ma'anshan province Dangtu County Gu Shu Zhen Dongying Patentee before: Anhui Tianjinyun Paint Industry Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20201023 |